Imagine if the art you spent hours making was destroyed soon after completion. For 44-year-old San Francisco-based artist Andres Amador, who creates sand-paintings up to 100,000 square feet (~35,000 sqmt) in size, this is a reality.

Imagine if the art you spent hours making was destroyed soon after completion. For 44-year-old San Francisco-based artist Andres Amador, who creates sand-paintings up to 100,000 square feet (~35,000 sqmt) in...

New York-based artist Joe Mangrum has spent the last 8 years drawing beautiful, hypnotic patterns and designs on the streets and squares of New York. But chances are you probably won't see any of them, because they tend to disappear. Mangrum...

New York-based artist Joe Mangrum has spent the last 8 years drawing beautiful, hypnotic patterns and designs on the streets and squares of New York. But chances are you probably won't...